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A077664 as a triangular array

2
35
457
57911
678911
71113171923
891011121315
911131517192123
101113141617192022
11131719212327293133
1213141516171819202123
131719232529313537414347

A077664 as a square array

2345678910111213
55771191111131317
79813101313171419
11917111514191523
1119121716211625
23131917231729
152119271831
2320291935
22312037
332141
2343
47

A077664 as an upper right triangle

2345678910111213
55771191111131317
79813101313171419
11917111514191523
1119121716211625
23131917231729
152119271831
2320291935
22312037
332141
2343
47

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Last modified September 7 18:07 EDT 2024. Contains 375749 sequences. (Running on oeis4.)